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tigry1 [53]
3 years ago
5

Assume that random guesses are made for nine multiple choice questions on an SAT​ test, so that there are equal 9 ​trials, e

ach with probability of success​ (correct) given by p equals 0.4. Find the indicated probability for the number of correct answers. Find the probability that the number x of correct answers is fewer than 4.
Mathematics
1 answer:
lys-0071 [83]3 years ago
4 0

Answer:

df,tru,,,

Step-by-step explanation:

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I need help please!:D
notsponge [240]

Answer:

176 R. 5

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
CAN I GET HELP PLEASE!
Mila [183]

Answer:

0.30 of a book / hour or 3/10 of a book per hour.

Step-by-step explanation:

Usually I tell people to put the numbers into decimals. Unfortunately for this question, it won't work. So we have any choice but to do it with fractions.

r = amount / time

amount = 1/4

time = 5/6

r = \frac{\frac{1}{4} }{\frac{5}{6} }

Invert the denominator and multiply

r = \frac{1}{4} * \frac{6}{5}

r = 6 * 1 / (5*4) = 6/20 = 3/10

The answer is 3/10 of a book per hour

5/6 of an hour is almost an hour.

1/4 of a book is 0.25 of a book.

3/10 of a book is 0.30 of a book. So it looks like it is just about right.

4 0
3 years ago
Can you make four mines equal 100
kotegsom [21]
A person can make 100 using the digit 9 four times in an equation.<span> The equation for this math problem is: 99 + (9 / 9) = 100. This solution works because 9 divided by 9 equals 1, and 99 plus 1 equals 100</span>
4 0
3 years ago
Click on the solution set below until the correct one is displayed​
Effectus [21]
What solution set below
7 0
3 years ago
Someone please help me
nekit [7.7K]

Answer:

the equation has no answers

7 0
3 years ago
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